Egg cleaning machine



March 4, 1941. A. B. CARPER EGG CLEANING MACHINE Filed Jan. 10, 1940 Patented Mar. 4, 1941 2,233,910

UNITED STATES PATENT OFFICE EGG CLEANING MACHINE Alfred Benjamin Carper, Creswell, Oreg.

Application January 10, 1940, Serial No. 313,263

9 Claims. (01. 51'l.'-l

The invention relates to an improved eggplaced around the plunger rod l and exerts cleaning machine, the object of which is to propressure upon the pad l4. vide a simple, relatively inexpensive machine for The crossarm 1 previously referred to, and mechanically dry cleaning soiled and dirty eggs, shown in perspective in Figure 3, is provided, at 5 so as to render them more sanitary and atone end with the fixed bracket 8, attached solidly; 5 tractive for market without injuring their keepand at the other end, the pivoted bracket 9, piving quality. oted on pin ll. Fastened, one in the fixed brack- One form of the invention is illustrated in the et 8 and one in the pivoted bracket 9, are taaccompanying drawing, in which Figure 1 is a pered spurs l8, l8 between which is strung the vertical section of the entire machine with the abrasive band It with abrasive surfaces turned 10 hood removed and the location of tapered spurs in '(see Figure 1). The abrasive band II] is held l8, l8, hereinafter referred to, indicated by dottaut by spring I9 operating in pivoted bracket 9. ted lines; Figure 2, a vertical front view of the The abrasive band I0, strung between tapered machine with the hood shown in a closed posispurs I8, l8 and rotated by hollow drive shaft tion; and Figure 3, a detailed view in perspective 4, is the cleaning element in this machine. It of the rotating crossarm and its brackets, showis made of emery cloth or any suitable flexible 1 ing one tapered spur l8 quite clearly and indiabrasive material and is easily replaced when eating the location of the other identical tapered the abrasive substance wears out. spur l8. Figure 3 is drawn approximately two- When the machine is being operated, the egg thirds the size I consider most practical in this is cleaned one-half at a time by being shoved 0 machine. Figures 1 and 2 are drawn to scale end first; between the abrasive surfaces of one-half the size of Figure 3. abrasive band [0 as said band is rotated around The base I, the block 2, and the hangers 3, 3, the egg by the hollow drive shaft 4; and against secured to the base I, constitute the framework the pad l4 which does not rotate, but which of the machine. In the hangers 3, 3 turns the will move back with the egg as the egg is pressed 25 hollow drive shaft 4, carrying a drive pulley 5 forcibly against it. The egg is held firmly beand a flange 6 to which is attached a crossarm tween the operators fingers and the pad 14. 1. Attached to crossarm I are fixed bracket 8 The egg is furthermore steadied by contact with and pivoted bracket 9, between which is strung a padded stationary rest 20 which is shaped to the abrasive band It), referred to hereinafter. fit the egg as shown in Figures 1 and 2. The pad 30 Projecting into hollow drive shaft 4, but not in i4, operated by the coil spring I6, will eject the contact therewith, is the stationary hollow center egg from the machine when the pressure of the rod II which is held by the stationary bracket operators fingers is lessened. The tapered spurs l2, fastened to block 2 (see Figure 1). The I8, I8, previously referred to, are tapered in stationary bracket l2 provides for slight adjustsuch a manner as to hold the front edges of the ment in all directions of the position of the abrasive surfaces of abrasive band I!) separated, aforesaid stationary hollow center rod ll, so so as to permit the egg to enter the machine as to assure its perfect alinement inside of the easily; and the back edges of the said abrasive hollow drive shaft 4 and prevent contact therein. surfaces of abrasive band [0 close together, so Horizontal adjustment is provided, by having as to clean the end of the egg as the egg is shoved 40 the stationary bracket i2 bolted to block 2 n o the machine. through elliptical holes; and by having the st A hod 2t is used to cover the rotating crosstionary hollow center rod ll threaded, so as to j T and lts brackets 8 and 9. The hood 2'! is screw into one end of the stationary bracket l2, hmgedf'lo h base 1 W the loose-p111 hinge and provided with a locknut l3. Vertical adh Flgure Figure 1 Shows e 'c me justment is accomplished byinserting shims made wlth he hood 2 removed and one-half f the loose-pin hinge 22 remaining attached to the of cardboard Sheet metal between the Statlon base I. The hood 2| closes down between stops ary bracket and the block 23 and 23 making a dust-tight closure. A fric- A D consisting of piece of Sponge tion catch or a hook and eye may be used to 5 her cement 150 a metal i is attached to fasten it down. To permit the hood 2| to open plunger rod 15 Sliding inslde the and of the on loose-pin hinge 22, a curved slot is cut in the Stationary hollow Center rod but being P back of the hood 2| where it fits over the holvented from rotating by a P Op g in a low drive shaft 4. This slot is not shown in slot as shown in Figure 1. A coilspring I6 is the drawing. A sheet of metal 24 (see Figure 1) 55 is fastened to the base I in such a manner as to cover the aforesaid curved slot when the hood 2| is in a closed position. The ,hood 2|, when it is closed, does not contact any of the moving sageway 26 to the opening 21 by the current of air created by the rotating crossarm l and its brackets 8 and 9. This opening 21 may be connected to a tube or pipe leading away from the machine, so as to carry the dust and dirt entirely away from the operator.

I claim:

1. In an egg-cleaning machine, in combination with abrasive surfaces rotated perimetrically about an egg, a non-rotative pad reciprocatively mounted on the axis of the aforesaid rotated abrasive surfaces and in line with the entry of the egg into the machine, resilient means for exerting pressure axially tothe said pad, and means for limiting the reciprocative movement of the said pad.

2. An egg-cleaning machine comprising a rotary tubular drive shaft, a crossarrn attached to, one endof the said rotary tubular drive shaft, a'single endless band of emery cloth or' other similar flexible abrasive material turned with the abrasive surface in and strung between two brackets attached to opposite ends of the said crossarm and opposed abrasive inner surface regions of which single endless band are respectively brought into operative engagement with opposed surface regions of an egg and which said opposed abrasive inner surface regions of said single endless band are rotated perimetrically about the egg by the rotation of the aforesaid rotary tubular drive shaft and the aforesaid crossarm, resilient means for tensioning the aforesaid single endless band, a non-rotative pad reciprocatively mounted on the axis of the aforesaid rotary tubular drive shaft and in line with the entry of the egg into the machine, resilient means for exerting pressure axially to the said pad, means for limiting the reciprocative movement of the said pad, a padded stationary rest the padded surfaceof which is contacted b y'the egg as the egg enters the machine, and a removable stationary hood means serving to cover the operative parts of the machine, said hood having an opening therethrough to allow the operative parts to be accessible.

3. The combination, in an egg-cleaning machine, of a rotary hollow drive shaft, a stationary hollow center rod projecting into or through the said rotary hollow drive shaft, a plunger rod reciprocatively mounted inside the end of the said stationary hollow center rod and actuated by a spring, a pad attached to the end of the said plunger rod; means for limiting the reciprocative movement of the said plunger rod, and means for preventing the rotation of the said plunger rod.

l. An egg-cleaning machine comprising a rotatably mounted tubular shaft, means for rotating the said tubular shaft, a crossarm. attached to one end of the said tubular shaft, a fixed less band of flexible material strung between them, said duplicate band support means serving to support such a band in such a manner as to tend to hold the opposed inner surface regions of such a band at an angle toeach other, an endless band of flexible material having an inner abrasive surface and which endless band is strung between the said duplicate band support means in the manner stated above and opposed abrasive inner surface regions of which endless band are brought into operative engagement with opposed surface regions of an. egg and which opposed abrasive inner surface regions of said endless band are rotated perimetrically about the egg by the rotation of the aforesaid tubular shaft and the aforesaid crossarm, resilient means carried by the aforesaid pivoted bracket for tensioning the said endless band, a pad reciprocatively mounted on the axis of the aforesaid tubular shaft and in line with the entry of the egg into the machine, resilient means for exerting pressure axially to the said pad, means for limiting the reciprocative movement of the said pad, means for preventing the rotation of the said pad, means serving to contact and steady the egg as the egg enters the machine, a removable stationary hood means serving to cover the operative parts of the machine, said hood having an opening therethrough to allow the operative parts to be accessible, and a passageway communicating with the interior of the said hood.

5. The combination, in an egg-cleaning machine, of a rotary crossarm, a fixed bracket and a pivoted companion bracket that are attached to' opposite ends of the said rotary crossarm, an endless band of flexible material having an inner abrasive surface and which endless band is strung between the said brackets and opposed abrasive inner surface regions of which endless band are respectively brought into operative engagement with opposed surface regions of an egg and which opposed abrasive inner surface regions of said endless band are rotated perimetrically about the egg by the rotation of the aforesaid rotary crossarm, and resilient means carried by the aforesaid pivoted bracket for tensioning the said endless band.

6. In an egg-cleaning machine, in combination with an endless band of flexible material having an inner abrasivelsurface, duplicate band support means mounted so as to allow the said endless band to be strung between them and the whole to be rotated about an axis which is perpendicular to the approximate center of the said endless band, said duplicate band support means serving to support the said endless band in such a manner as to tend to hold the opposed abrasive inner surface regions of the said endless band at an angle to each other, means for rotating the same, and resilient means for tensioning the said endless band.

7. The combination, in an egg-cleaning machine, of a rotary crossarm, abrasive means carried by the said rotary crossarm and which abrasive means operatively engage an egg and are rotated perimetrically about the egg by the rotation of the said rotary crossarm, a removable stationary hood means. serving to cover the said rotary crossarm, said hood having an opening therethrough to allow the operative parts to be accessible, a passageway communicating with the interior of the said hood, and means carried by the aforesaid rotary crossarm serving to create an air current'inside of the said hood thereby forcing the dust created inside rod, means for limiting the reciprocative movement of the said plunger rod, and means for preventing the rotation of the said plunger rod.

9. The combination, in an egg-cleaning machine, of a rotatably mounted crossarm, means for rotating the same, abrasive means carried by the said crossarm and which abrasive means operatively engage an egg and are rotated perimetrically about the egg by the rotation of the said crossarrn, and means serving to contact and 10 steady the egg as the egg enters the machine.

ALFRED BENJANHN CARPER. 

